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Enhanced structure for base with roller and belt of hardshell zipper case

a zipper case and reinforced structure technology, applied in the field of hardshell zipper cases, can solve the problems of suitcase cracking, troublesome rolling of rollers, damage to the suitcase base, etc., and achieve the effect of improving the durability of rollers, convenient belts, and enhanced base structures

Inactive Publication Date: 2011-04-07
YANG SHENG CHO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention has been made to overcome the aforementioned drawback of conventional suitcase. The present invention provides an enhanced structure for base with roller and belt of hardshell zipper case to improve the durability of the rollers and the convenience of the belt.
The primary object of the present invention is to prevent the rollers of the hardshell zipper case from damage by the careless shipping and handling.
Another object of the present invention is to integrated the belt to the hardshell zipper case to improve the convenience of use.
Yet another object of the present invention is to improve the practicality of the hardshell zipper case.
To achieve the aforementioned objects, the present invention provides an enhanced structure for the base with roller and belt of hardshell zipper case, including a hardshell zipper case main body, a plurality of hidden roller units, a retractable belt unit, and an auxiliary wheel set. The hidden roller units and the retractable belt unit are placed inside the roller housing trench and the belt housing trench located at the bottom of the hardshell zipper case main body. When the hidden roller units are not in use, the roller units are entirely hidden inside the roller housing trench so that the roller unit will not be damaged due to careless handling. To move the hardshell zipper case, the outer rim of the roller units are exposed outside of the surface of the roller housing trench so that the roller units can roll along when moved. The belt of retractable belt unit can be easily pulled out from one end of the bottom of the hardshell zipper case. After surrounding the hardshell zipper case main body with the belt, the belt can be fastened to the other end of the retractable belt unit. In this manner, the belt can be easily pulled out for fastening the case when necessary, and can be retracted when not in use.

Problems solved by technology

However, one common problem of a suitcase is that the rollers at the base of the suitcase may be damaged after many luggage handlings at by the airliners.
This may cause the trouble for the roller to roll smoothly.
Another common problem is that the suitcase may crack when over-stuffed or inappropriately handled.
This is neither convenient nor effective most of the time.
As the rollers are placed at the bottom of the two separate case body parts, it is usually difficult to maneuver the rollers, especially when the suitcase is fully loaded.

Method used

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  • Enhanced structure for base with roller and belt of hardshell zipper case

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Embodiment Construction

Refer to FIG. 1 and FIG. 2. FIG. 1 shows a schematic view of a hardshell zipper case of the present invention, and FIG. 2 shows a schematic view of the elements of hidden roller units of the present invention. As shown in FIG. 1, hardshell zipper case includes a hardshell zipper case main body 10, a plurality of hidden roller units 11, a retractable belt unit 12 (now shown), a hardshell lid 13, and an expanding unit 14. Hardshell zipper case main body 10 includes a plurality of roller housing trenches 101, a belt housing trench 102 and at least an auxiliary wheel trench 106, located respectively at main body bottom 103 of hardshell zipper case main body 10. An auxiliary wheel set 15 is placed inside auxiliary wheel trench 106, located at main body bottom 103. The outer rim of auxiliary wheel set 15 is convex above the surface of main body back 105. Expanding unit 14 is connected between hardshell zipper case main body 10 and hardshell lid 13. Hidden roller unit 11 and retractable be...

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Abstract

An enhanced structure for the base with roller and belt of hardshell zipper case is provided, including a hardshell zipper case main body, a plurality of hidden roller units, a retractable belt unit, and an auxiliary wheel set. The hidden roller units and the retractable belt unit are placed inside the roller housing trench and the belt housing trench located at the bottom of the hardshell zipper case main body. When the hidden roller units are not in use, the roller units are entirely hidden inside the roller housing trench so that the roller unit will not be damaged due to careless handling. To move the hardshell zipper case, the outer rim of the roller units are exposed outside of the surface of the roller housing trench so that the roller units can roll along when moved. The belt of retractable belt unit can be easily pulled out from one end of the bottom of the hardshell zipper case. After surrounding the hardshell zipper case main body with the belt, the belt can be fastened to the other end of the retractable belt unit. In this manner, the belt can be easily pulled out for fastening the case when necessary, and can be retracted when not in use.

Description

FIELD OF THE INVENTIONThe present invention generally relates to a hardshell zipper case, and more specifically to an enhanced structure for the base with roller and belt of hardshell zipper case.BACKGROUND OF THE INVENTIONSuitcases have been an indispensable gear for both long and short distance travels as the traveler can easily choose suitcases of different sizes for the trip. The mobility of the suitcase comes from the roller installed at the base of suitcase so that the suitcase can be pushed or pulled around. In this manner, the traveler can easily load the suitcase with appropriate items and carry around without actually burdened with the weight. However, one common problem of a suitcase is that the rollers at the base of the suitcase may be damaged after many luggage handlings at by the airliners. This may cause the trouble for the roller to roll smoothly. Another common problem is that the suitcase may crack when over-stuffed or inappropriately handled. In this case, the tr...

Claims

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Application Information

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IPC IPC(8): A45C5/14A45C13/00
CPCA45C5/14A45C5/146A45C7/0027Y10T16/193A45C13/30Y10T16/1937A45C13/20
Inventor YANG, SHENG CHO
Owner YANG SHENG CHO